FinFeedAPI blog

Welcome to the FinFeedAPI Blog. Here you’ll find fresh insights and helpful guides for anyone using our APIs — from stocks and crypto to prediction markets, forex, and more.
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      Exchanges

      Hyperliquid HIP-4 Outcome Markets: Prediction Markets Built Into a Trading Engine

      Hyperliquid HIP-4 adds fully collateralized YES/NO outcome markets directly to Hyperliquid. It combines real-time probability trading with HyperCore’s high-speed order book and shared liquidity system.
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      How To

      How Can You Search SEC Filings For Keywords?

      Keyword-based SEC filing search helps developers and AI systems find relevant disclosures without manually reviewing filings. Learn how full-text SEC filing search APIs support filters for keywords.
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      How To

      How Can AI Agents Access and Process SEC Filings?

      AI agents need structured SEC filing access without custom scrapers or parsers. Learn how MCP tools and APIs simplify filing search, extraction, and processing.
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      How To

      What Is the Best Way to Build Real-Time SEC Filing Alerts?

      Manual SEC filing monitoring is slow and difficult to scale. Learn how real-time SEC filing APIs and WebSocket streams help developers build automated filing alerts, monitoring dashboards, and AI-powered financial workflows.
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      How To

      Why Use an API Instead of Downloading SEC Filings Manually?

      Manual SEC filing workflows are slow and difficult to scale. Learn how SEC filing APIs turn EDGAR filings into structured, searchable data for developers and AI systems.
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      How To

      How Can You Search Inside SEC Filing Documents?

      Learn how to search inside SEC filing documents using the FinFeedAPI SEC API full-text search endpoint. Filter filings by keywords, form types, and filing dates without manually parsing EDGAR documents.
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      General Knowledge

      The Beginner’s Guide to Event Risk: Earnings, Filings, and Election Shocks

      Learn how earnings reports, SEC filings, and elections create sudden market volatility. See how traders use real-time data and prediction markets to track shifting expectations before markets fully react.
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      General Knowledge

      From News to Markets: The 4 Data Layers That Move Prices

      Price is just the final chapter; to stay ahead, you must track how data flows from filings and predictions into stocks and FX. This is the "momentum of truth" that defines every market move.
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      Exchanges

      Myriad Markets Explained: On-Chain Prediction Trading With Real Liquidity

      Myriad Markets is an on-chain prediction platform where users trade event outcomes using stablecoins and non-custodial wallets. It combines AMM pricing with order book trading to deliver real-time probability signals.
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      Exchanges

      Manifold Markets: How a Play-Money Prediction Exchange Actually Works

      Manifold Markets is a prediction platform where users trade on future events using virtual currency instead of real money. Its flexible, user-created markets and instant pricing system make it a fast, experimental space for tracking how people think about the future.
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      Exchanges

      What Is Kalshi? Inside the First Regulated Prediction Market Exchange

      What Is Kalshi? Understanding Regulated Prediction Market Data and How to Use It.
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      Exchanges

      Inside Polymarket: Data, APIs, and Real-World Use Cases

      Polymarket is a decentralized prediction market that turns real-world events into live, tradable probabilities. Developers use Polymarket data for real-time signals, analytics, trading systems, and AI.
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      API technology

      Why Use MCP Instead of a Standard API Integration?

      MCP exposes APIs as structured tools, so AI agents and bots can discover, validate, and query data automatically without manual integration or hardcoded logic.
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      General Knowledge

      Best Ethereum APIs – How Developers Actually Build Data Stacks

      Building on Ethereum now requires multiple APIs across chains. This guide covers the key ones and how FinFeedAPI adds a forward-looking data layer.
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      Use Case

      How AI Agents Can Use MCP to Fetch Currency Data Without Custom Integrations

      Most AI agents fail not because they’re not smart, but because they can’t access data cleanly. MCP changes that.
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      How To

      7 Mistakes Teams Make When Using Exchange Rates in Production

      Currency conversion works in demos but often breaks in production. Learn the most common exchange rate mistakes and how to fix them.
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      How To

      Real-Time vs Historical Exchange Rates: Which One Should Your App Use?

      Learn the difference between real-time and historical exchange rates, and how to use each correctly in pricing, checkout, and financial reporting.
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      How To

      How to Calculate VAT, GST, or Sales Tax After Currency Conversion

      Small mistakes in currency conversion can lead to big tax inconsistencies. Here’s how to avoid mismatched totals and broken checkout experiences.
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      How To

      How to Convert Prices on a Marketplace in Real Time Without Breaking Checkout

      Displaying prices in multiple currencies is easy. Keeping them accurate across browsing and checkout is where most marketplaces fail.
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      Use Case

      How to Backtest Event Strategies Using SEC + Prediction Markets + Stocks + FX

      Event driven backtesting works best when you use precise event timing. Align SEC filing timestamps with stock, prediction market, and FX data to see how markets react and when.